How to Change Interface Speed and Duplex on an Ubuntu Linux Server CHUONG K. NGUYEN – BSc., MCSEx2, MCSAx2, MCP, MCTS, MCITP, CCNA First, you need to list your interface by typing the command: ifconfig Assume that the interface in interest is em1, perform a speed/duplex lookup: ethtool em1 Now set the speed and duplex,… Read more How to Change Interface Speed and Duplex on an Ubuntu Linux Server

How to enable SFTP on a Web Server in Linux CHUONG K. NGUYEN – BSc., MCSEx2, MCSAx2, MCP, MCTS, MCITP, CCNA In this guide I will show you how to allow SFTP connection to the web server so that users can publish their web contents using a secure connection instead of the insecure FTP method.… Read more How to Enable SFTP on a Web Server in Linux

How to route traffic through the VPN CHUONG K. NGUYEN – BSc., MCSEx2, MCSAx2, MCP, MCTS, MCITP, CCNA After connecting to the remote Linux PPTP VPN, I cannot browse the Internet. The following commands are entered into the PPTP Linux box to allow that to happen. Assume that the LAN subnet is 172.16.16.0/24. Enter… Read more How to Route Traffic Through the PPTP VPN

How to Configure Gmail Account in Microsoft Outlook 2016 CHUONG K. NGUYEN – BSc., MCSEx2, MCSAx2, MCP, MCTS, MCITP, CCNA In this guide I will show you how to configure Gmail account as an IMAP account in Microsoft Outlook 2016. First, we need to enable IMAP protocol access in Gmail. To do that, log into… Read more How to Configure Gmail Account in Microsoft Outlook 2016

How to install and configure ProFTPD in Ubuntu 15.04.01 CHUONG K. NGUYEN – BSc., MCSEx2, MCSAx2, MCP, MCTS, MCITP, CCNA Ensure that TCP, IP and DNS is correctly set on the server. Verify that TCP/IP is properly set: vi /etc/network/interfaces Verify DNS to ensure that is is properly set: vi /etc/resolv.conf is correctly set ping… Read more How to Install and Configure ProFTPd in Ubuntu 15.04.01

How to install SSH Client and Server in Windows 10 CHUONG K. NGUYEN – BSc., MCSEx2, MCSAx2, MCP, MCTS, MCITP, CCNA In Windows 10, the Command Prompt has been improved tremendously. You can select text and press Enter to have that text copied. This means that if we install SSH Client for Windows on a… Read more How to Install SSH Client and SSH Server in Windows 10

How to create an SSH Tunnel for Proxy to a Linux Server CHUONG K. NGUYEN – BSc., MCSEx2, MCSAx2, MCP, MCTS, MCITP, CCNA In this guide I will show you how to utilize a proxy server through an SSH Tunnel. The server accepting the SSH connection will be a Linux Server running SSHD. You’ll need:… Read more How to Create an SSH Tunnel for Proxy to a Linux Server

How to create an SSH Tunnel for Proxy CHUONG K. NGUYEN – BSc., MCSEx2, MCSAx2, MCP, MCTS, MCITP, CCNA Imagine this: you bring your own laptop to a coffee shop, utilize its WIFI to browse the Internet and check the balance of your bank accounts. The traffic is not encrypted even if the WIFI access… Read more How to Create an SSH Tunnel for Proxy

How to copy SSH Key to a Remote Computer CHUONG K. NGUYEN – BSc., MCSEx2, MCSAx2, MCP, MCTS, MCITP, CCNA We can log into a remote Linux server either by a username / password combination or by using an SSH key. SSH keys provide a more secure way for the authentication to happen. Better yet,… Read more How To Copy SSH Key to a Remote Computer